{"product_id":"invidia-15-21-wrx-15-21-wrx-sti-q300-cat-back-exhaust-quad-double-wall-stainless-steel-tips","title":"Invidia [15-21 WRX] [15-21 WRX STI] Q300 Cat Back Exhaust - Quad Double Wall Stainless Steel Tips","description":"\u003cp\u003eUpgrade your 2015-2021 Subaru WRX or WRX STI Sedan with the Invidia Q300 Cat Back Exhaust. The Q300's flat-bottom muffler design uses continuous internal piping and Advantex packing for a free-flow exhaust with optimized back pressure, giving strong power and torque gains with a rich, deep sporty sound that stays refined for daily driving.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFits 2015-2021 Subaru WRX and WRX STI Sedan (VA chassis)\u003c\/li\u003e\n\u003cli\u003e76mm mandrel-bent SUS304 polished stainless steel piping\u003c\/li\u003e\n\u003cli\u003eQuad 110mm double-wall polished stainless steel rolled tips\u003c\/li\u003e\n\u003cli\u003eFlat-bottom muffler with Advantex material for free flow and optimized back pressure\u003c\/li\u003e\n\u003cli\u003eCNC-machined flanges with robot-TIG welding\u003c\/li\u003e\n\u003cli\u003eRich deep sporty sound without excessive volume\u003c\/li\u003e\n\u003cli\u003ePart HS15STIG3S\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JDMuscle","offers":[{"title":"Default Title","offer_id":67700866383966,"sku":"invHS15STIG3S","price":1535.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0232\/4721\/files\/invidia-q300-cat-back-exhaust-ss-rolled-tips-subaru-wrx-sti-2015-2019-hs15stig3s-cat-back-exhaust-system-invidia-invhs15stig3s.jpg?v=1791566052","url":"https:\/\/slrspeed.com\/products\/invidia-15-21-wrx-15-21-wrx-sti-q300-cat-back-exhaust-quad-double-wall-stainless-steel-tips","provider":"SLRspeed","version":"1.0","type":"link"}